| KEMP, Vanessa Anne ACTIVE | Secretary | 28 Aug 2024 | | | | 80 Vincent Sq, London, SW1P 2PE |
| MATTERSON, Clare Elizabeth ACTIVE | Director | 14 Jun 2022 | | England | November 1962 | 80 Vincent Square, Vincent Square, London, SW1P 2PE, England |
| WEED, Keith Charles Frederick ACTIVE | Director | 31 Jul 2020 | | England | April 1961 | 80, Vincent Square, London, SW1P 2PE, England |
| BAILEY, Stacey Elizabeth RESIGNED | Secretary | 01 Jul 2019 | 28 Aug 2024 | | | 80 Vincent Sq, London, SW1P 2PE |
| FARRINGTON, David RESIGNED | Secretary | 04 Jan 2010 | 01 Oct 2010 | | | 80 Vincent Sq, London, SW1P 2PE |
| HARRISON, John Overend RESIGNED | Secretary | | 23 Apr 2004 | | | 48 Holmwood Avenue, Sanderstead, South Croydon, Surrey, CR2 9HY |
| HILEY, James RESIGNED | Secretary | 01 Apr 2011 | 24 Oct 2011 | | | 80 Vincent Sq, London, SW1P 2PE |
| MALCOLM, Linda Moira RESIGNED | Secretary | 01 Jun 2016 | 30 Jun 2019 | | | 80 Vincent Sq, London, SW1P 2PE |
| NIX, Jan RESIGNED | Secretary | 25 Oct 2011 | 03 Sep 2015 | | | 80 Vincent Sq, London, SW1P 2PE |
| NIX, Janice RESIGNED | Secretary | 01 Nov 2010 | 31 Mar 2011 | | | 80 Vincent Sq, London, SW1P 2PE |
| NORMAN, Mark RESIGNED | Secretary | 03 Sep 2015 | 01 Jun 2016 | | | 80 Vincent Sq, London, SW1P 2PE |
| SMITH, Andrew William Stanton RESIGNED | Secretary | 23 Apr 2004 | 31 Dec 2009 | | | 80 Vincent Sq, London, SW1P 2PE |
| AMBROSE, Barry Michael Christopher RESIGNED | Director | | 30 Jun 2000 | | October 1936 | Deers Farm Close, Wisley, Woking, Surrey, GU23 6QD |
| BACON, Nicholas Hickman Ponsonby, Sir RESIGNED | Director | 18 Jan 2011 | 31 Jul 2020 | England | May 1953 | 80 Vincent Sq, London, SW1P 2PE |
| BANKS, William Lawrence RESIGNED | Director | | 01 Jan 1995 | United Kingdom | June 1938 | Ridgebourne, Kington, Herefordshire, HR5 3EG |
| BIGGS, Sue RESIGNED | Director | 18 Jan 2011 | 14 Jun 2022 | United Kingdom | April 1956 | 80 Vincent Sq, London, SW1P 2PE |
| BRICKELL, Christopher David RESIGNED | Director | | 03 Aug 1993 | United Kingdom | June 1932 | The Camber, Ths Street Nutbourne, Pulborough, West Sussex, RH20 2HE |
| BUCKLEY, Peter Neville RESIGNED | Director | 01 Jan 1993 | 26 Jun 2006 | | September 1942 | 6 Albert Place, London, W8 5PD |
| BUXTON, Sarah Ann RESIGNED | Director | 19 Sep 2002 | 01 Nov 2010 | England | July 1959 | 80 Vincent Sq, London, SW1P 2PE |
| CAMPBELL, Hugh James Foster RESIGNED | Director | 12 Sep 1994 | 01 Oct 2001 | | April 1932 | Flat 12, 2 Mansfield Street, London, W1M 9FE |
| COLQUHOUN, Andrew John RESIGNED | Director | 22 Sep 1999 | 03 Nov 2006 | | September 1949 | 60 Meriden Court, Chelsea Manor Street, London, SW3 3TT |
| COODE-ADAMS, John Giles Selby RESIGNED | Director | 21 Jun 2006 | 21 Jun 2009 | England | August 1938 | Feeringbury Manor, Feering, Colchester, Essex, CO5 9RB |
| FANE, Mark William RESIGNED | Director | 21 Sep 2005 | 26 Apr 2012 | England | June 1958 | Crocus.Co.Uk Limited, Nursery Court, London Road, Windlesham, Surrey, GU20 6LQ, United Kingdom |
| GRIMSEY, Inga Margaret Amy RESIGNED | Director | 06 Nov 2006 | 30 Apr 2008 | | October 1952 | 4 Radnor Road, London, NW6 6TT |
| HANCOCK, Tony Charles RESIGNED | Director | 01 Mar 2005 | 31 Aug 2006 | | March 1947 | 2 The Laurels, 29a Sidney Road, Walton On Thames, Surrey, KT12 2NA |
| HAVERCROFT, William Richard RESIGNED | Director | 21 Aug 2006 | 01 Jan 2017 | United Kingdom | January 1952 | 417 Banbury Road, Oxford, OX2 8ED |
| HEARN, Donald Peter RESIGNED | Director | | 30 Sep 2001 | | November 1947 | 7a Denmark Avenue, Wimbledon, London, SW19 4HF |
| HERBERT, Robin Arthur Elidyr RESIGNED | Director | | 01 Jan 1995 | Wales | March 1934 | The Neuadd, Llanbedr Road, Crickhowell, Powys, NP8 1SP |
| HILEY, James Ross RESIGNED | Director | 07 Feb 2011 | 12 Sep 2014 | England | October 1970 | 80 Vincent Sq, London, SW1P 2PE |
| HOBBS, Jacqueline RESIGNED | Director | 22 May 2002 | 30 Jun 2007 | | March 1960 | 3 Dorin Court, Kingston Vale, London, SW15 3RN |
| HORNBY, Simon Michael, Sir RESIGNED | Director | 13 Jan 1994 | 26 Jun 2001 | United Kingdom | December 1934 | The Ham, Wantage, Oxfordshire, OX12 9JA |
| JOYCE, Malcolm James RESIGNED | Director | 17 Jun 2003 | 30 Apr 2008 | | February 1945 | The Glen, Trolver Croft Feock, Truro, Cornwall, TR3 6RT |
| LAMPARD, Kathryn Felice RESIGNED | Director | 01 May 2008 | 18 Jan 2011 | England | April 1960 | Yokes Court, Frinsted, Sittingbourne, Kent, ME9 0ST |
| MASSEY, John Shane Wellings RESIGNED | Director | 07 Nov 2005 | 01 May 2008 | United Kingdom | March 1949 | Flatheridge, Ashwood Lower Lane, Ashwood, Kingswinford, West Midlands, DY6 0AE |
| MORRISON, David John RESIGNED | Director | 18 Jan 2011 | 03 Apr 2012 | England | January 1959 | 80 Vincent Sq, London, SW1P 2PE |
| MORRISON, David John RESIGNED | Director | 17 Jun 2003 | 03 Mar 2010 | United Kingdom | January 1959 | 904 Drake House Dolphin Square, London, SW1V 3NW |
| PALMER, John Roy RESIGNED | Director | | 03 Mar 1995 | | April 1933 | Handsworth Cross Oak Road, Berkhamsted, Hertfordshire, HP4 3JB |
| RAE, Gordon Hamilton RESIGNED | Director | 03 Aug 1993 | 22 Sep 1999 | | September 1938 | New House, Church Lane Grayshott, Hindhead, Surrey, GU26 6LY |
| RAVENSCROFT, John Richard RESIGNED | Director | 01 Jan 1993 | 11 May 2006 | | November 1936 | Bridgemere Garden World, Nantwich, Cheshire, CW5 7GB |
| ROE, Peter Alan RESIGNED | Director | 12 Jul 2000 | 31 Dec 2006 | United Kingdom | March 1947 | Bankside,, North Piddle, Worcestershire, WR7 4PS |
| SEABRIGHT, Gordon RESIGNED | Director | 08 Mar 2006 | 01 Nov 2010 | England | April 1965 | Astwood House, Bottlesford, Pewsey, Wiltshire, SN9 6LW |
| SELLS, Edward Andrew Perronet RESIGNED | Director | 01 Jan 1995 | 01 Jul 2004 | | November 1948 | 10 Kensington Place, London, W8 7PT |
| SHAWCROSS, Brian Ellis RESIGNED | Director | 12 Jun 2002 | 17 Jun 2003 | England | August 1938 | Croft House Gloucester Street, Painswick, Stroud, Gloucestershire, GL6 6QR |
| SLOCOCK, Martin Oliver RESIGNED | Director | | 26 Jun 2002 | | March 1935 | Knap Hill Nursery, Barrs Lane, Knap Hill, Surrey, GU21 2JW |
| SPENCER, Paul Martin RESIGNED | Director | | 21 Jan 2002 | | March 1953 | 52 Send Road, Send, Woking, Surrey, GU23 7EH |
| WATEROUS, Johanna Elizabeth Martin RESIGNED | Director | 01 May 2008 | 18 Jan 2011 | England | September 1957 | 27 Edwardes Square, London, W8 6HH |
| WHITELEY, Richard Timothy RESIGNED | Director | | 23 Feb 1993 | United Kingdom | November 1931 | Hall Farm, Evenley, Brackley, Northamptonshire, NN13 5SH |